How to create smooth and stable waves using MagFields?

Hi, I'm trying to replicate the effect show in this image:

I've created a field of points and then manipulated their z-movement based on the strength of the mag-field at those points. However, the center of each "wave" is not smooth or consistent, like here:

I've tried bumping the DPI of the underlying grid thinking it was a problem with that, but it just makes the problem more acute. The other option I have considered is cutting the centers out and re-modeling them separately, either by hand or a different definition, but that would be my absolutely last resort.

I'm attaching my definition, and any help you guys can give me would be greatly appreciated.

  • up

    Laurent DELRIEU

    I think you can make a better preview : 

    You can also try to use sin equations like here 

    http://blog.ocad.ca/wordpress/gdes3b78-fw201203-01/

    or something simple like that, multiplication of 2 sinus wave. Here with a mesh but could be a surface

    9
  • up

    Nik Willmore

    Wish I had Grasshopper when I was a kid.

    I'd like to see various animations since it's so slow to calculate 60K points that a slider won't let me play around.

    1
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      Philipp S

      Is ist possible to deform the structure with a magnetic field? 

      E.g spin force on attractor points?